html,body{
    margin: 0;
    padding: 0;
}
.Navigation{
    background-color: #62b7b278;
    width: 200px;
    height:750px;
    float: left;
}
.Navigation{
    color: #0C0C0C;
}
.head-img {
    position: relative;
    width: 100px;
    height: 100px;
    top: -10px;
    left: -10px;
    z-index: 9;
}
#head-title{
    font-size: 20px;
    position: relative;
}
#head-title span{
    position: relative;
    top: -70px;
    right: 7px;
    float: right;

}
.head-icon {
     float: left;
 }
.layui-nav {
    background: none;
    z-index: 8;
}
.content{
    position: relative;
    width: 80%;
    float: left;
    left: 50px;
    z-index: 8;
}

.dataview{
    position: relative;
    top: 50px;
    float: left;
    padding-left:50px;
    z-index: 8;
    display: none;
}
#main{
    width: 800px;
    height: 400px;
    background-color: #F2F2F2;
    float: left;
    margin: 30px;
}